Game concept
Active
From the game's encyclopedia
When the host and guests have arrived and are engaged in an Activity it is considered to be active.
The game's text for patch 1.20.1.2. Words in blue are entries of the encyclopedia: hover one to read it, as in the game.
Active is an entry of Crusader Kings III's in-game encyclopedia. The game explains it: "When the host and guests have arrived and are engaged in an Activity it is considered to be active." It is part of Activity. Patch 1.20.1.2, from game/common/game_concepts/00_game_concepts.txt and game/localization/english/game_concepts_l_english.yml.
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Source: game/common/game_concepts/00_game_concepts.txt, game/localization/english/game_concepts_l_english.yml and the English localisation, Crusader Kings III 1.20.1.2.